''Cyathocrinus'' is an

extinct Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...

genus of

crinoid Crinoids are marine invertebrates that make up the class Crinoidea. Crinoids that remain attached to the sea floor by a stalk in their adult form are commonly called sea lilies, while the unstalked forms, called feather stars or comatulids, are ...

s belonging to the family Cyathocrinitidae.Organism Names
/ref> It is considered related to genera like Cyathocrinites, Gissocrinus, Ichthyocrinus, Meniscocrinus, Occiducrinus. These stationary intermediate-level epifaunal suspension feeders lived in the

Permian The Permian ( ) is a geologic period and System (stratigraphy), stratigraphic system which spans 47 million years, from the end of the Carboniferous Period million years ago (Mya), to the beginning of the Triassic Period 251.902 Mya. It is the s ...

of Australia and Pakistan, in the

Devonian The Devonian ( ) is a period (geology), geologic period and system (stratigraphy), system of the Paleozoic era (geology), era during the Phanerozoic eon (geology), eon, spanning 60.3 million years from the end of the preceding Silurian per ...

of the Czech Republic, as well as in the

Silurian The Silurian ( ) is a geologic period and system spanning 23.5 million years from the end of the Ordovician Period, at million years ago ( Mya), to the beginning of the Devonian Period, Mya. The Silurian is the third and shortest period of t ...

of the Czech Republic and Sweden, from 428.2 to 254.0 Ma.

References

Wenlock first appearances Silurian crinoids Devonian crinoids Carboniferous crinoids Permian crinoids Permian genus extinctions Paleozoic animals of Asia Prehistoric crinoid genera Cladida {{paleo-crinoidea-stub